US3772172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing hydrogen from chlorine gas
Assignee: Individual
•
Filing: 1971-10-29
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Granted: 1973-11-13
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Expires: 1991-10-29
Abstract
Abstract A method of purifying chlorine by the removal of hydrogen which is characterized in that chlorine containing molecular hydrogen is irradiated with electrons having an energy of 0.5 to 5 M.e.v. The hydrogen chloride formed as a result of the reaction of chlorine and hydrogen is removed.
Inventors
- 👤 R Zhagatspanian
- 👤 L Yakimenko
- 👤 J Lyaskin
- 👤 M Filippov
- 👤 V Zetkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:25
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; C01B7/07; C01B7/0743; B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; B01J19/085; C01B7/012
Claims Analysis
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |